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Finding the Fourth Proportional to 593.04, 818.44 and 331.05

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Solution

The fourth proportional to 593.04, 818.44 and 331.05 is: 456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.04 : 818.44 = 331.05 : x
  2. Step 2: Convert to fraction form
    593.04/818.44 = 331.05/x
  3. Step 3: Cross multiply
    593.04x = 818.44 × 331.05
  4. Step 4: Simplify right side
    593.04x = 270,943.73
  5. Step 5: Solve for x
    x = 270,943.73/593.04
  6. Step 6: Final answer
    x = 456.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.